/**
 * This file is part of 1genia trampoline
 * Copyright (C) 2007 1genia (contact@1genia.com)
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; version 3 of the License. 
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details. 
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; see the file COPYING.TXT.  If not,
 * write to the Free Software Foundation, Inc., 51 Franklin Street,
 * Fifth Floor, Boston, MA 02110-1301, USA. 
 **/
package com.genia.toolbox.web.gwt.form.client.form.impl;

import com.genia.toolbox.web.gwt.basics.client.i18n.GwtI18nMessage;
import com.genia.toolbox.web.gwt.basics.client.support.GwtObjectUtils;
import com.genia.toolbox.web.gwt.form.client.form.ValuedItemEntry;

/**
 * Implementation of <code>ValuedItemEntry</code>.
 */
public class ValuedItemEntryImpl
    implements ValuedItemEntry
{
  /**
   * the label.
   */
  private GwtI18nMessage label;

  /**
   * the value.
   */
  private String value;



  /**
   * Indicates whether some other object is "equal to" this one.
   * 
   * @param obj
   *          the reference object with which to compare.
   * @return <code>true</code> if this object is the same as the obj argument;
   *         <code>false</code> otherwise.
   * @see java.lang.Object#equals(java.lang.Object)
   */
  @Override
  public boolean equals(final Object obj)
  {
    if (obj == this) {
      return true;
    }
    if (obj == null) {
      return false;
    }
    // if (getClass() == obj.getClass()) { Waiting for gwt with java 1.5
    if (obj instanceof ValuedItemEntryImpl) {
      final ValuedItemEntry item = (ValuedItemEntry) obj;

      if (!GwtObjectUtils.nullSafeEquals(getLabel(), item.getLabel())) {
        return false;
      }

      return GwtObjectUtils.nullSafeEquals(getValue(), item.getValue());
    }
    return false;
  }



  /**
   * getter for the label property.
   * 
   * @return the label
   */
  public GwtI18nMessage getLabel()
  {
    return label;
  }



  /**
   * getter for the value property.
   * 
   * @return the value
   */
  public String getValue()
  {
    return value;
  }



  /**
   * Returns a hash code value for the object. This method is supported for the
   * benefit of hashtables such as those provided by
   * <code>java.util.Hashtable</code>.
   * 
   * @return a hash code value for this object.
   * @see java.lang.Object#hashCode()
   */
  @Override
  public int hashCode()
  {
    return GwtObjectUtils.nullSafeHashCode(new Object[] {
    // getClass(), Waiting for gwt with java 1.5
        getLabel(), getValue() });
  }



  /**
   * setter for the label property.
   * 
   * @param label
   *          the label to set
   */
  public void setLabel(GwtI18nMessage label)
  {
    this.label = label;
  }



  /**
   * setter for the value property.
   * 
   * @param value
   *          the value to set
   */
  public void setValue(String value)
  {
    this.value = value;
  }

}
